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20220047 | Solid Tumor Rules/Multiple Primaries--Head and Neck: Is a patient with 2020 neck mass, squamous cell carcinoma (SCC), p16-negative, who then had a biopsy of the right tonsil (C09.9) in July 2022, SCC p16-positive, one or two primaries? Is this coded to 8070/3 using pre-2022 rules or a new, second primary p16-positive, 8085/3. See Discussion. |
History provided by the oncologist Right neck mass since 2019; 04/07/20, initial biopsy p16-negative SCC, delay of treatment due to patient preference, agreed to biopsy of tonsil and work-up August 2022; right tonsil biopsy: p16-positive, G2 SCC, nodal mass at that time >6 cm with extensive extranodal extension, Stage III (cT2, cN3, cM0, p16-positive); based on this history, was staged as a tonsil primary and p16-positive. Patient details 1. March 2020, CT neck and chest revealed a 0.5 x 2.7 x 2.3 cm low-density necrotic nodal mass at right neck level 2 suspicious for metastatic disease. There was a slight asymmetric increased size of the right palatine tonsil. There are a few sub-4 mm pulmonary nodules which are nonspecific. 2. April 7, 2020, FNA of right neck mass with pathology revealed p16-negative SCC 3. April 20, 2020, PET/CT revealed 3 x 2 cm right-sided level 2 node with FDG avidity 4. May 5, 2020, flexible laryngoscopy showed no obvious primary lesion 5. May 2020, after evaluation by a medical oncology, patient declined any treatment 6. June 17, 2022, return visit in medical oncology after PET/CT demonstrates significant progression in the neck; patient definitively declines chemo, but would like surgical opinion. Now has more rapidly progressive disease with skin breakdown and weeping from malignant lesion right neck. 7. June 22, 2022, radiation oncology consultation 8. July 15, 2022, tonsil biopsy: Invasive squamous cell carcinoma, moderately differentiated with LVI, p16-positive 9. Patient now agreeing to treatment with radiation: Tooth extractions 8/30/2022, radiation planning 9/14/2022 10. Patient consulted with cancer specialist who explained surgery is not recommended given level of extranodal extension and risk of seventh cranial nerve paralysis and fistula formation with surgical excision and who recommended chemoradiation 11. September 9, 2022, patient presented for radiation CT simulation/treatment planning and informs treatment team. Patient declined/refuses concurrent chemotherapy despite recommendations from two cancer institutions. |
Abstract a single primary of the tonsil. The diagnosis date is March 2020 (the date of the CT scan). Assign 8070/3 for the histology. Metastases were found in 2020 before the primary of tonsil was determined in 2022. The oncologist information confirms this. |
2022 |
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20220011 | Reportability/Ambiguous Terminology: When the only source of information states the diagnosis as two terms, one reportable and one non-reportable, separated by a "slash" (/), should we report the case using the reportable term? See Discussion. |
For example: -ultrasound of the right eye: consistent with a nevoma/melanoma; we could not find any indication that nevoma is a reportable term -bladder biopsy pathology report: severe urothelial dysplasia/carcinoma in situ (CIS) As a central registry, we receive some limited information cases like this where there is no record of treatment or possibility to follow-back to physicians for clarification, so we want to make sure we are reporting them correctly. |
If possible, try to obtain further information. If no further information can be obtained, accession the case using the reportable term, melanoma and CIS in the respective examples, when there is a single report in which both reportable and non-reportable diagnostic terms are listed with a slash and there is no other information. Most often, the slash indicates the terms are being used synonymously. |
2022 |
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20230055 | Reportability/Histology--Heme and Lymphoid Neoplasms: Is "the differential diagnoses include, but not limited to, mantle cell lymphoma, atypical chronic lymphocytic leukemia/small lymphocytic lymphoma and a variant of marginal zone lymphoma" reportable? In the Heme manual, they use differential diagnosis that include reportable conditions as reportable. This can be found under Code 1: positive histology in the Diagnostic Confirmation Coding Instruction section page 18. The phrase "include, but not limited to" makes this not clear. |
This is reportable as 9591/3, B-cell lymphoma, NOS.All diagnoses in the differential are all B-cell lymphomas. The pathologist knows it a B-cell lymphoma but has not determined the subtype. If at a later time a specific lymphoma is determined, update the histology code accordingly. |
2023 | |
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20230066 | Solid Tumor Rules/Histology--Lung: Table 3 in Lung Solid Tumor Rules, 2023 Update, lists neuroendocrine carcinoma, NOS 8246 as a specific subtype/variant for small cell carcinoma 8041/3. Should the table be updated? See Discussion. |
Small cell carcinoma is a specific type of neuroendocrine carcinoma for the lung. However, Table 3 lists neuroendocrine carcinoma, NOS as the more specific subtype/variant in Column 3. Using Lung Solid Tumor Rules, Rule H6, a diagnosis of poorly differentiated neuroendocrine carcinoma (small cell carcinoma)” would be coded as 8246, instead of 8041, because there are two histologies under consideration (an NOS and a subtype/variant in Table 3), and the rule tells us to code the subtype/variant. However, small cell carcinoma is more specific than the NOS diagnosis (neuroendocrine carcinoma, NOS). Should Table 3 be updated to reflect which histology is the NOS and which is the more specific? |
The Solid Tumor Rules for Lung have been updated for 2024. The row for Small cell carcinoma 8041/3 has been deleted and new separate rows have been added for Neuroendocrine carcinoma (NEC) 8246 and Neuroendocrine tumor, NOS (NET) 8240. This change is based on the WHO Classification of Thoracic Tumors, 5th edition, and current concepts. In addition, Table 3 now reflects that Small cell carcinoma/small cell neuroendocrine carcinoma 8041 (located in Column 3) is a subtype/variant of neuroendocrine carcinoma, NEC 8246 (Column 1). As a result, application of Rule H6 to a diagnosis of poorly differentiated neuroendocrine carcinoma (small cell carcinoma)” would be coded as 8041, instead of 8246. Please note: the 2024 updates may be used for cases diagnosed prior to 1/1/2024 unless otherwise noted in the rules. |
2023 |
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20230003 | SEER Manual/Reportability--Ambiguous Terminology: Please clarify the reportability and relevant date ranges of the following ambiguous terminology: almost certainly, most certainly, and malignant until proven otherwise. See Discussion. |
SINQ 20180104 indicates, in the absence of further info, the terms “almost certainly” and “until proven otherwise” are NOT reportable. There is no date range provided for this answer. SINQ 20200027 indicates, in the absence of further info, the term “most certainly” IS reportable. There is no date range provided for this answer. SEER Program Coding and Staging Manual 2022 indicates, in the absence of further info, the terms “until proven otherwise” and “most certainly” ARE reportable. Essentially, we are hoping for an update of SINQ 20180104 due to 2022 reportability change. Clarification to the equivalence of “almost certainly” and “most certainly” would also be helpful. |
Use the ambiguous terminology list as a guide in the absence of additional information after reviewing all available information and consulting the physician who diagnosed and/or staged the tumor. Equivalent to "Diagnostic for" malignancy or reportable diagnosis
Not Equivalent to "Diagnostic for" malignancy or reportable diagnosis
We will update SINQ 20180104. |
2023 |
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20230026 | Solid Tumor Rules/Multiple Primaries--Prostate: How many primaries should be abstracted, and which M rule applies when a patient is diagnosed with intraductal carcinoma of the prostate on biopsy followed by invasive adenocarcinoma on radical prostatectomy more than 60 days later? See Discussion. |
Example: A prostate core biopsy showed intraductal carcinoma in 09/2022, which is an in situ tumor. A core biopsy again showed intraductal carcinoma in 12/2022. The subsequent radical prostatectomy in 04/2023, revealed multiple foci of invasive prostate adenocarcinoma with extensive intraductal carcinoma. Per Solid Tumor Rules, Other Sites, Rule M3, acinar adenocarcinoma of the prostate is always a single primary. Note 4, this rule applies to subtype variants of acinar adenocarcinoma listed in Table 3, which has intraductal/ductal as a variant subtype of acinar adenocarcinoma. Does rule M3 apply to incidence cases (an invasive tumor following an in situ tumor)? |
Rule M1 applies because we don't know if there are separate tumors or separate foci within a single tumor. This is a single primary coded 8140/3. The prostate rules will be reviewed for an addition to cover this situation. |
2023 |
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20230058 | Solid Tumor Rules/Multiple Primaries--Breast: How many primaries should be accessioned for a patient with known history of right breast carcinoma in 2018 followed by 2022 biopsy proven right and left breast invasive ductal carcinoma if the physician states this is a right breast primary with widespread metastasis including the left breast? See Discussion. |
The patient was initially diagnosed with invasive mammary carcinoma of the right breast in 2018, treated with lumpectomy, sentinel node biopsy, radiation, and hormones. Hormones were discontinued early due to dysfunctional uterine bleeding. |
This is a single primary according to the Solid Tumor Rules.
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2023 |
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20230036 | Reportability/Histology--Vulva: Is angiomyxoma (8841/1), such as aggressive angiomyxoma of vulva diagnosed in 2022, reportable? |
Do not report superficial angiomyxoma (8841/0) or aggressive angiomyxoma (8841/0). WHO Classification of Female Genital Tumors, 5th edition, defines deep (aggressive) angiomyoma as a benign, infiltrative, myxoid spindle cell neoplasm that occurs in deep soft tissue of the pelviperineal region. |
2023 | |
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20230038 | Histology/Heme & Lymphoid Neoplasms--Mycosis Fungoides: What is the histology code for lymphomatoid papulosis that transforms initially to mycosis fungoides (MF)/cutaneous T-cell lymphoma (CTCL) and subsequently to CTCL with large cell transformation, and is it a new primary? See Discussion. |
Disease History 2018 - Lymphomatoid papulosis (non-reportable) 2020 - Transform to CTCL (and called Mycosis Fungoides specifically) (CTCL/MF same primary) 2021 - Transform to CTCL with large cell transformation |
Abstract a single primary and assign code 9700/3 for MF. According to our subject matter expert, this is all MF. When MF progresses, there can be large cd30 positive T cells. This is not the same as anaplastic large cell lymphoma. |
2023 |
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20230075 | EOD/Summary Stage--Eye: How is stage coded for a patient with extranodal non-Hodgkin lymphoma involving bilateral choroids (single focus, both sites) and no lymph node involvement? Since the eyes are a paired site, is this two separate extranodal sites? If so, there are no Summary Stage or EOD tumor codes that best fit this scenario. |
Assign as Stage IV as recommended by our expert hematological oncologist. This is a rare occurrence and this type of presentation does not fit the definition of intraocular extension. Stage IV is probably the best stage for this type of presentation, since there are two extranodal organs involved, even though they involve a bilateral site. EOD Primary Tumor: 700 SS: 7 (Distant) |
2023 |
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